BF821 查看數據表（PDF） - General Semiconductor
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BF821 Datasheet PDF : 2 Pages
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BF821, BF823
Small Signal Transistors (PNP)
SOT-23
.122 (3.1)
.118 (3.0)
.016 (0.4)
3
Top View
1
2
.037(0.95) .037(0.95)
FEATURES
♦ PNP Silicon Epitaxial Planar Transistors
especially suited for application in class-
B video output stages of TV receivers
and monitors.
♦ As complementary types, the NPN tran-
sistors BF820 and BF822 are recommended.
.016 (0.4) .016 (0.4)
.102 (2.6)
.094 (2.4)
Dimensions in inches and (millimeters)
Pin configuration
1 = Base, 2 = Emitter, 3 = Collector.
MECHANICAL DATA
Case: SOT-23 Plastic Package
Weight: approx. 0.008 g
Marking code
BF821 = 1W
BF823 = 1Y
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Collector-Base Voltage
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Peak Collector Current
Power Dissipation at TSB = 50 °C
Junction Temperature
Storage Temperature Range
1) Device on fiberglass substrate, see layout
BF821
BF823
BF823
BF821
Symbol
–VCBO
–VCBO
–VCEO
–VCER
–VEBO
–IC
–ICM
Ptot
Tj
TS
Value
Unit
300
V
250
V
250
V
300
V
5
V
50
mA
100
mA
3001)
mW
150
°C
–65 to +150
°C
4/98
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